CVE-2012-0920

Use-after-free vulnerability in Dropbear SSH Server 0.52 through 2012.54, when command restriction and public key authentication are enabled, allows remote authenticated users to execute arbitrary code and bypass command restrictions via multiple crafted command requests, related to "channels concurrency."

Score

CVSS 2.0 7.1 High

Status

Modified - cve@mitre.org

Published

2012-06-05

Last modified

2024-08-06

Weaknesses

CWE-399

Affected products

• Debian Linux (Debian)
• Dropbear Ssh (Dropbear Ssh Project)

References

• http://matt.ucc.asn.au/dropbear/CHANGES
• http://secunia.com/advisories/48147
• http://secunia.com/advisories/48929
• http://www.debian.org/security/2012/dsa-2456
• http://www.osvdb.org/79590
• http://www.securityfocus.com/bid/52159
• https://exchange.xforce.ibmcloud.com/vulnerabilities/73444
• https://secure.ucc.asn.au/hg/dropbear/rev/818108bf7749
• https://www.mantor.org/~northox/misc/CVE-2012-0920.html